je wrote:
I understand this will vary greatly per individual , but please give approx 800 times per 400m times.
400 times
55sec
54sec
53sec
52sec
51sec
50sec
49sec
48sec
From the McMillan running calculator:
http://www.mcmillanrunning.com/Running%20University/Article%201/calculator3.htm55 sec = 2:00.8
54 sec = 1:58.6
53 sec = 1:56.4
52 sec = 1:54.2
51 sec = 1:52.0
50 sec = 1:49.8
49 sec = 1:47.6
48 sec = 1:45.4
47 sec = 1:43.2
46 sec = 1:41.0